#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>

int main()
{
	int n = 0;
	while (~scanf("%d", &n))
	{
		int i = 0;
		int count = 0;
		for (i = 0; i < 32; i++)
		{
			if ((n >> i) & 1)
			{
				count++;
			}
		}
		printf("%d\n", count);
	}
	return 0;
}
#include<stdio.h>

int main()
{
    int hour = 0;
    int minute = 0;
    int k = 0;
    scanf("%d:%d %d", &hour, &minute, &k);
    minute += k;
    while (minute > 60)
    {
        minute -= 60;
        hour++;
        if (24 == hour)
        {
            hour = 0;
        }
    }
    printf("%02d:%02d", hour, minute);
    return 0;
}